28697135

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 35173440

約数和(自身を除く): 6476305

約数列:

[1, 5, 71, 229, 353, 355, 1145, 1765, 16259, 25063, 80837, 81295, 125315, 404185, 5739427, 28697135]

約数ペア:

[(1, 28697135), (5, 5739427), (71, 404185), (229, 125315), (353, 81295), (355, 80837), (1145, 25063), (1765, 16259)]